From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 32A2543AA1 for ; Thu, 7 Jul 2022 09:41:47 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0B03E68B8F2; Thu, 7 Jul 2022 12:41:45 +0300 (EEST) Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 49F1E68B7FF for ; Thu, 7 Jul 2022 12:41:39 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id E68592400F5 for ; Thu, 7 Jul 2022 11:41:38 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id yMKLRIR5rF_Y for ; Thu, 7 Jul 2022 11:41:37 +0200 (CEST) Received: from lain.khirnov.net (lain.khirnov.net [IPv6:2001:67c:1138:4306::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "lain.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail0.khirnov.net (Postfix) with ESMTPS id C09A9240179 for ; Thu, 7 Jul 2022 11:41:37 +0200 (CEST) Received: by lain.khirnov.net (Postfix, from userid 1000) id C53861601B2; Thu, 7 Jul 2022 11:41:37 +0200 (CEST) From: Anton Khirnov To: FFmpeg development discussions and patches In-Reply-To: <20220704162912.5577-1-ffmpeg@gyani.pro> References: <20220704162912.5577-1-ffmpeg@gyani.pro> Mail-Followup-To: FFmpeg development discussions and patches Date: Thu, 07 Jul 2022 11:41:37 +0200 Message-ID: <165718689777.31466.279724099132649515@lain.khirnov.net> User-Agent: alot/0.8.1 MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [PATCH v3] ffmpeg: add option -isync X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Quoting Gyan Doshi (2022-07-04 18:29:12) > This is a per-file input option that adjusts an input's timestamps > with reference to another input, so that emitted packet timestamps > account for the difference between the start times of the two inputs. > > Typical use case is to sync two or more live inputs such as from capture > devices. Both the target and reference input source timestamps should be > based on the same clock source. > > If not all inputs have timestamps, the wallclock times at the time of > reception of inputs shall be used. FFmpeg must have been compiled with > thread support for this last case. I'm wondering if simply using the other input's InputFile.ts_offset wouldn't achieve the same effect with much less complexity. -- Anton Khirnov _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".